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Michael Slessor

Thanks, everyone, for joining us today. As expected, FormFactor reported sequentially lower fourth quarter revenue, gross margin and non-GAAP earnings per share, driven by the forecasted reduction in foundry and logic probe card revenue. This was partially offset by growth in DRAM probe card revenue, which set a third consecutive quarterly record.
Like most broad-based equipment and consumable suppliers to the semiconductor industry, FormFactor's fourth quarter and full year 2024 results reflect 2 very different market dynamics. On the one hand, the explosive growth of generative AI and high bandwidth memory, which more than quadrupled over 2023 and added $100 million in revenue for FormFactor. On the other hand, lackluster demand persisted in important high unit volume markets like client PCs and mobile handsets. This overall theme is continuing in the first quarter of 2025 and we expect sequential reductions in demand for both non-HBM DRAM probe cards and systems.
As we move through 2025, we do expect an overall increase in demand for FormFactor's products and I'll provide some more details on these growth areas later.
Before diving into segments and market level details, I'd like to highlight 2 significant strategic developments that further strengthen FormFactor's leadership position in enabling the adoption of advanced packaging. Earlier today, we announced that together with MBK Partners, the largest private equity firm in North Asia, were acquiring FICT Limited, a leading supplier of complex multilayer organic substrates and printed circuit boards to semiconductor test and high-performance computing customers. This acquisition will solidify FormFactor's access to FICT's technologies and products, which are an important component of our advanced probe cards.
And early last month, we announced technology partnership and share purchase agreements with Advantest Corporation, the market leader in automated test equipment. These agreements build upon a multiyear collaboration between our companies, including FormFactor's 2020 purchase of Advantest probe card assets and the announcement last November to partner in developing wafer-level test cells for high-volume manufacturing of the silicon photonics integrated circuits used in co-packaged optics.
With the rapid adoption of advanced packaging, wafer-level test is increasingly important to leading-edge semiconductor manufacturers, especially for their high-performance compute devices powering generative AI applications. Our expanded partnerships with FICT and Advantest provide a platform to accelerate innovation and strengthen collaboration across the test and assembly supply chain, enabling us to work more closely together to meet the challenging technical and operational requirements driven by advanced packaging and high-performance compute.
Now let's turn to market and segment level details. As I mentioned, in the fourth quarter, we again delivered record DRAM probe card revenue with solid DDR5 demand paired with sequential growth in HBM. HBM increased to approximately half the record quarterly DRAM revenue, and we expect similar HBM levels in the first quarter. In the first quarter, we continue to experience the normal period of digestion following record mid-2024 shipments of probe cards for HBM3 and HBM3E production designs. In addition, we now have a significant contribution from a second HBM customer, along with growing volumes of HBM4 designs. As a reminder, since probe cards are a device-specific consumable, that's customized to each individual customer chip design, production ramps of new chip designs generate demand for new probe cards and the transition to new HBM4 designs will produce significant growth for DRAM probe card demand as this ramp begins in the middle part of 2025.
We also expect some reduction in demand for non HBM probe cards during the current first quarter, caused primarily by the recent further tightening of export controls, which limit our ability to ship probe cards for advanced node DRAM designs to China. As we discussed in the past, these export controls are a structural headwind that will continue to reduce our ability to serve customers in this region.
Shifting to the foundry and logic probe card market. We experienced the anticipated fourth quarter reduction from the levels of the second and third quarter, and for the first time in many years, did not have a foundry and logic manufacturer as a 10% customer. In the first quarter, we expect foundry and logic demand to be similar to the fourth quarter as high unit volume end markets in which FormFactor has a strong competitive position, like mobile handsets and client PCs remain weak. Like most industry participants, our view is that these end markets will return to growth at some point in 2025.
However, we have very limited visibility to the specific timing of the eventual recovery in either client PCs or mobile handsets because the lead times of our products are typically less than 1/4. In the interim, we remain vigilant in managing our cost structure to maximize profitability at these reduced revenue levels while retaining sufficient capacity to ensure we can respond rapidly to meet customer demand when growth in foundry and logic returns.
The lower level of foundry and logic probe card demand, combined with robust levels for DRAM probe cards produce a challenging product mix. And it's this DRAM rich mix that is largely responsible for gross margins well below our target gross margin of 47% at $850 million of annual revenue. Although we do expect growth to return to the foundry and logic market, at the same time, we're executing multiple initiatives in both DRAM and foundry and logic to mitigate this mix effect and improve our gross margins.
In DRAM, we've refreshed our product road map to include a new cost competitive architecture for non-HBM applications, which will be launched later this year while also extending the differentiated high-speed and temperature scaling performance of our SmartMatrix platform in HBM applications. In foundry and logic, we continue to expand and diversify FormFactor's market position, both through new customer qualifications and client PC and server applications and through new products that improve our competitive position in high-performance compute GPU applications.
We've made progress on both fronts recently and have now met all technical performance requirements in our qualification for a focused application with a fabless microprocessor manufacturer, and expect to complete the qualification in the first half of 2025.
Turning to our Systems segment. We delivered the expected sequential increase in fourth quarter revenue nearing the record levels of mid-2023, which included the FRT business we divested in the fourth quarter of 2023. Systems growth is driven by the rapid innovation of our customers in areas like quantum computing and high-performance compute, with development programs that require high-performance measurement systems like our CM300 lab probers and IQ 3000 cryogenic prober. One of the exciting opportunities in the high-performance computing space is co-packaged optics using silicon photonics as our customers transition from development in the lab to pilot production volumes in the fab.
This is a key area of focus in our systems business, and we're leveraging our leadership position from the lab space, where we have an installed base of over 100 systems worldwide to the production arena where we now have multiple systems installed in leading customers' production facilities. We expect co-packaged optics to begin to ramp in volume later this year and into 2026 as it offers compelling data center energy efficiency benefit, helping address one of the major economic and environmental challenges for the compute industry and providing a new growth vector for both our systems and probe card businesses.
In closing, we're continuing to strengthen FormFactor's industry and competitive position, both through development and differentiated products and through partnerships with leaders like Advantest and FICT. These internal and external initiatives are especially important and exciting as we meet the challenges of increased test intensity and higher test complexity associated with the adoption of advanced packaging in applications like high-bandwidth memory and co-packaged optics. Successful execution of these and other initiatives will allow us to achieve and then surpass our target model that delivers $2 of non-GAAP earnings per share on $850 million of revenue.
Shai, over to you.

Shai Shahar

Thank you, Mike, and good afternoon. As you saw in our press release, Q4 revenues were $189.5 million, $0.5 million below the midpoint of our outlook range and non-GAAP gross margin of 40.2% was 0.8 percentage points below the midpoint of the range. These, together with operating expenses slightly lower than the midpoint of the outlook, resulted in a non-GAAP EPS of $0.27, $0.02 below the midpoint of our outlook range.
Fourth quarter revenues decreased 9% from the all-time record revenues reached in the third quarter and increased 12.7% year-over-year from our Q4 '23 revenues. For fiscal '24, we recorded revenues of $764 million, up 15.2% from $663 million in fiscal '23. Almost all of this $100 million growth came from HBM revenues.
Probe card segment revenues were $150.3 million in the fourth quarter, a decrease of $21.9 million or 12.7% from the third quarter. The decrease was driven by lower foundry and logic and flash revenues partially offset by a record high DRAM revenues. For fiscal '24, we recorded probe card segment revenues of $626 million compared to $498 million in fiscal '23.
The Systems segment revenues were $39.2 million in Q4, $3.4 million higher than the third quarter and comprised 20.7% of total company revenues, up from 17.2% in the third quarter. In fiscal '24, we recorded Systems segment revenues of $137.6 million, $27.6 million lower than the $165.2 million revenue in fiscal '23, which declined due to the sale of our FRT business during the fourth quarter of fiscal 2013.
Within the probe card segment, Q4 foundry and logic revenues were $83 million, a 22.5% decrease from the third quarter. Foundry and logic revenues decreased to 44% of total company revenues compared to 51.7% in the third quarter. DRAM revenues were a record $63.3 million in Q4, $3.1 million or 5.2% higher than the previous record that was set in the third quarter, an increase to 33.4% of total quarterly revenues as compared to 28.9% in the third quarter.
Within DRAM, HBM revenues increased slightly as expected from $29 million in Q3 to $32 million in the fourth quarter. HBM revenues for fiscal '24 totaled $126 million, and nearly $100 million increase in fiscal '23. Flash revenues of $3.7 million in Q4 were down $0.9 million in the third quarter and were 1.9% of total revenues in Q4 as compared to 2.2% in Q3.
GAAP gross margin for the fourth quarter was 38.8% as compared to 40.7% in Q3. Cost of revenues included $2.5 million of GAAP to non-GAAP reconciling items, which we outlined in our press release issued today and in the reconciliation table available in the Investor Relations section of our website. GAAP gross margin for fiscal '24 was 40.3% compared to 39% in fiscal '23.
On a non-GAAP basis, gross margin for the fourth quarter was 40.2%, 2 percentage points lower than the 42.2% non-GAAP gross margin in Q3 [indiscernible] percentage points below the midpoint of our outlook. The decrease as compared to Q3 is driven by lower non-GAAP gross margins in both segments. Non-GAAP gross margin for fiscal '24 increased to 41.7% compared to 40.7% in fiscal '23.
Our probe card segment gross margin was 40% in the fourth quarter a decrease of 2.3 percentage points compared to 42.3% in Q3. The decrease from Q3 was mainly a result of the decrease in revenue volume. The decreases compared to the midpoint of the outlook range is attributable to lower utilization in line with lower production volumes. Our Q4 Systems segment gross margin was 40.8% and a decrease of 0.7 percentage points compared to 41.5% gross margin in the prior quarter.
Our GAAP operating expenses were $65.7 million for the fourth quarter as compared to $67 million in the third quarter. Non-GAAP operating expenses for the fourth quarter were $55.2 million or 29.1% of revenues as compared with $59.3 million or 28.5% of revenue in Q3. The $4.1 million decrease relates mainly to lower payroll taxes and lower performance-based compensation. Company noncash expenses for the fourth quarter included $10.2 million for stock-based compensation, $1.3 million higher than in Q3 due to grant for features in the prior quarter that did not repeat, $0.7 million for the amortization of acquisition-related intangibles, similar to Q3 and depreciation of $8.1 million, slightly higher than in the third quarter.
GAAP operating income was $7.9 million for Q4 compared to $17.9 million in Q3. Non-GAAP operating income for the fourth quarter was $20.9 million compared with $28.3 million in the third quarter, a decrease of $7.4 million or 26.3%. This reduction in operating income is due to lower revenues combined with lower gross margins, partially offset by the decrease in operating expenses. GAAP net income for the fourth quarter was $9.7 million or $0.12 per fully diluted share compared with GAAP income of $18.7 million or $0.24 per fully diluted share in the previous quarter. For fiscal '24, GAAP net income was $69.6 million or $0.89 per fully diluted share compared with a GAAP net income of $82.4 million or $1.05 per fully diluted share in fiscal '23.
The non-GAAP effective tax rate for the fourth quarter was 14.7%, a 1.3 percentage points increase from the 13.4% in the third quarter. For fiscal '24, the non-GAAP effective tax rate was 14.4%, at the low end of the previously communicated range of 14% to 18%. We expect a similar range in fiscal '25.
Fourth quarter non-GAAP net income was $21.3 million or $0.27 per fully diluted share, down from $27.2 million or $0.35 per fully diluted share in Q3. Non-GAAP net income for fiscal '24 was $90.2 million or $1.15 per fully diluted share compared with a non-GAAP net income of $56.8 million or $0.73 per fully diluted share in fiscal '23, an increase of 58% year-over-year.
Moving to the balance sheet and cash flow. We generated free cash flow of $28.8 million in the fourth quarter compared to $20 million in Q3. The main reasons for the increase were higher operating cash flows primarily driven by greater noncash expenses of $8 million, lower outflows for working capital of $10.2 million and CapEx lower by $1.3 million. Free cash flow for fiscal '24 increased to $83 million in comparison to $11.4 million in fiscal '23.
We invested $7.7 million in capital expenditures during the fourth quarter compared to $8.9 million in Q3. This brings our annual fiscal CapEx to $38.4 million within the expected range of $35 million to $45 million. In fiscal '25, we expect a similar level of investment in capital expenditures. At quarter end, total cash and investments were $367 million, an increase of $6 million from Q3. At the end of the fourth quarter, we had 1 term loan with a balance totaling $13 million.
Regarding stock buyback. During the fourth quarter, we repurchased shares worth $16.1 million. At quarter end, $20.5 million remained available for future purchases under the $75 million 2-year buyback program that was approved in Q4 '23. Our capital allocation strategy has not changed and our share repurchase program goal is to offset dilution from stock-based compensation.
As we have communicated in the past, M&A is an important part of our capital allocation strategy. As you saw in the press release, we are acquiring 20% of FICT for approximately $60 million. This transaction, which will be accounted for under the equity method is not expected to have a significant impact on our results of operations. Let me also note that the share repurchase agreement we signed with Advantest earlier this quarter added $15 million to our strong balance sheet.
Turning to the first quarter non-GAAP outlook. We expect Q1 revenues of $170 million, plus or minus $5 million, with the decrease in systems, flash and DRAM revenues. Foundry and logic revenues as well as HBM revenues within our DRAM revenues are expected to remain flat. This decline in revenues is expected to result in a lower non-GAAP gross margin of 38%, plus or minus 150 basis points. At the midpoint of these outlook ranges we expect Q1 operating expenses to be $51 million, plus or minus $2 million, approximately $4 million lower than Q4 mainly due to lower performance-based compensation. Non-GAAP earnings per fully diluted share for Q1 is expected to be $0.19 plus or minus $0.04.
Finally, let me say a few words about our ongoing focus on profitability. As Mike noted, while we have benefited from robust growth in HBM due to the expansion in generative AI, we have also experienced soft demand in high unit volume markets like client PCs and mobile handsets. While we expect this softness to persist at least through Q1, we continue to be attentive to our cost structure by making targeted adjustments to variable costs, allowing us to meet higher demand when growth returns to foundry and logic. A reconciliation of our GAAP to non-GAAP Q1 outlook is available on the Investor Relations section of our website and in our press release issued today.
With that, let's open the call for questions. Operator?

Question and Answer Session

Operator

(Operator Instructions) Charles Shi from Needham & Company.

Charles Shi

Hey, good afternoon. Mike, a couple of questions. I think you provided segment color for your Q1 outlook, I think, Mike if you kind of unpack a little bit the foundry and logic, DRAM between non-HBM and HBM. And of course, you also mentioned about system and we will -- unpack that a little bit for us.
But I do want to specifically ask you about the non-HBM DRAM probe cards since it looks like you're anticipating a sequential reduction in demand. But if I really back out CXMT, the China demand that was there before the export controls, if I back that out, your DRAM revenue, non-HBM DRAM, I think has been run rating at $1 million per quarter for almost two years, almost like there's no recovery in that part of the market. Mike, if you educate us a little bit of what's going on there and when could we see the outlook for that part of the market to turn a little bit more positive? Thanks.

Michael Slessor

Sure, Charles. So as we bridge from Q4 to Q1, you've identified the biggest factor in the sequential decline between our Q4 results and our Q1 outlook, and that's non HBM DRAM. We expect HBM DRAM to be approximately flat quarter-on-quarter. And by far, the largest component of the non-HBM DRAM reduction in Q1, is associated with advanced DRAM probe cards shipping into China. If you look at our results in the second half of 2024, you saw some significant growth there, and it was primarily associated with DRAM probe cards. With the recent export controls that have gone into place from the U.S. Department of Commerce, we don't believe we can ship to those customers.
And as a result, we've taken our outlook for DRAM probe card revenue into China down to 0 in the Q1 outlook, and we'd expect to have that persist throughout the year unless there's some dramatic change. That's a pretty significant impact. We were running in round numbers at about $10 million per quarter, with that customer with China DRAM and advanced probe cards. So that's definitely a headwind.
Some of the other pieces, we often see seasonality in the systems business. So a Q4 to Q1 step down is not all that unusual given our customers' budget cycles. And then we see primarily a flat outlook Q4 to Q1 overall in the foundry and logic business. There's a few moving parts underneath that with various customers and various projects, as there always is inside any segment. But by far, the biggest component causing the Q4 to Q1 sequential reduction is the removal of non-HBM DRAM into China.

Charles Shi

Yeah, sorry, maybe I asked the question a little bit too long. But the, but the second part of the question I do want to repeat here in the non China, non HB.

Michael Slessor

M, the rest the rest of the world, DRM, let's continue to call it non HB MD RM. So primarily DDR five and some graphics DDR as well continues to operate at those cyclical low levels around $20 million a quarter. And we don't see much activity there. There's new designs as our customers continue to release and ramp in limited volume, especially associated with DDR five. But as you noted for the past couple of years that business has been operating at cyclical lows HBM continues to be the highlight in the D A pro business and really is what powered the three consecutive record for.

Charles Shi

Got it. Thank you. I'll be back to the queue.

Michael Slessor

Thanks. Thanks.

Operator

Thank you. And our next question comes from the line of Craig Ellis from B Riley Securities. Your question, please.

Michael Slessor

Yeah, thanks for taking.

Craig Ellis

The question, Mike. I wanted to start off just with a higher level question. I think over time as you and I have interacted on the business, one of the things we've talked about is the business being very product cycle and no transition dependent with its product demand and much less volume dependent. And yet it seems like there is quite a bit of volume impacting the business as we exit 2024 and go into 2025. So can you just come back and kind of square that circle? Why is it that volume is such a big impacting factor in the very near term here?

Michael Slessor

Sure. So for probe cards, the fundamental demand driver is new design releases by our customers. But those new design releases need to ramp in volume, Right? what drives the fundamental change from one set of probe cards to another is the design change or the mass set change, things like going from HBM3 to HBM4 or a node transition from 3-nanometer to 2-nanometer those things definitely drive probe card demand but also individual designs inside those nodes also drive proper demand.
But the number of probe cards we sell, right, is dependent on the ramp volume associated with that. How many test cells are going to need to run, each of them needs a probe card. And so it's both. One thing that drives the refresh cycle, no question about it and why we're bullish about 2025 is things like the transition to HBM4, which we expect to drive growth in 2025 over 2024.
But we also need all of these things to ramp in volume. The wafer volume, the test cell volume drives the number of probe cards. And so with markets like PC and mobile operating at continued cyclical lows, we're not getting the volume out of those markets that really drive the business.

Craig Ellis

That's a book color. And then it's the follow up, which is a take up really on that last point. There's a large US customer that did not appear on the 10% list in the fourth quarter. And from time to time, they just go through a period of probe card digestion. Can you address to what extent was that play versus the demand levels in the prior couple of quarters versus their own share loss that may be impacting the volumes that would drive business form or other issues? Thank you, Mike.

Michael Slessor

Yeah, I think it's fair to say that we see fairly broad based weakness across founder and logic, but certainly our microprocessor business, as you noted is especially weak in the fourth quarter. You know, no founder and logic customer, including our large microprocessor company appeared as 10% of revenue. And so I think that's indicative of, of the weakness there.
You know, as we look at some of the initiatives for the company, obviously that raises the importance increases the importance of something we've been committed to for a long time. And that's making sure we're qualified at all the leading customers across the industry Now, you've heard from all the customers in the X 86 space, that client PC is awfully weak. So I don't know that that would have made a really big difference to either our Q4 or Q1 outlook, but it remains a strategic imperative for us to qualify and be competing for business at all major customers. And as I said in the prepared remarks, we're making some good progress there and expect those things to positively impact form factors growth in 2025.
Thanks for that, Mike.

Operator

Thank you. And our next question comes from the line of Brian Chin from Steve your question, please.

Brian Chin

Hi. Hi there. Well, I guess, in terms of the statement that you do expect an overall increase in demand as we move through the year, it sounds like, like you're saying that you do think HBM will be one of those drivers sequentially through the year. And when you think about the foundry logic business, is it reasonable to expect that even last year was not exactly a banner year in terms of phone and PC unit sales, for example. But there was release of new designs and levels of seasonality in production.
Would it be reasonable to expect that you can get back to sort of that $100 million a quarter kind of run rate in foundry logic if we have a similar kind of profile this year? And that's also incorporating, I guess, some of the progress you're seeing in terms of fabulous microprocessor and GPU?

Michael Slessor

Yeah. Yeah. I think that if I look at 2025 overall and the reason we're confident in growth HBM and the transition to HBM four is definitely one component. We're going to hire layer stacks which amplifies the test intensity going from 8 to 12 to 16 stacks and then the higher test fees amplify the test complexity. Those things historically have always ramped up test spending and we saw it in 2024 with HBM three and HBM three.
I think if we look at foundry and logic, it's certainly reasonable to assume a return to the -- let's call it, 100 million-ish levels with some activity associated with a PC refresh cycle, more activity and higher unit volumes of these new designs in PC and mobile. And so I think that's a reasonable place to think about the foundry and logic business returning with some FormFactor specific drivers being qualifications at some of these new customers adding to revenue and balancing and diversifying the overall customer base.

Brian Chin

Okay. Great. And maybe asking about the FICT acquisition. I guess it sounds like they've been a key supplier to you historically. And in terms of the motivation here, is this reflective of just how fast those product cycle road maps are moving in the AI data center arena and kind of that need to sort of exert some influence over key ecosystem partners, maybe still with an eye towards not fully internalizing or verticalizing some of these partners?

Michael Slessor

Yeah. I think that's a good way to characterize one of the objectives. FICT has been a very important supplier to us and the overall probe card industry over the years and remains so. And with the accelerating complexity associated with high-performance compute and what our customers are asking us to do, we felt like we wanted a larger influence for that important supplier. The structure we executed here with MBK Partners allows us to have that influence in that closer coupling without taking on all of the financial and execution risk of a full cross-border acquisition.
So we think this is a good step forward to both solidify the supply chain, our supply chain but also offer us some increased access into advanced packaging. Runs a similar theme to some of the partnership announcements you've seen from Advantest, Advantest investing in us in and one of our competitors. Technoprobe investing -- or Teradyne investing in one of our competitors, you see these closer couplings across the industry just because of the complexity of what customers are requiring of us and the speed with which you need to deliver that complexity.

Brian Chin

Okay, great. Thank you.

Operator

Thank you. And our next question comes from the line of David Duley from Steelhead Securities. Your question, please.

David Duley

Yeah, thanks for taking my questions. I guess I have a couple as far as the HBM outlook goes. So I think I heard you say you have designs in hand or you should have revenue in hand from two customers, more significant revenue from two customers now. So you have, does that mean you have two customers ramping up in HBM four?

Michael Slessor

Well, we've got a mix of HBM3 and HBM4, but I think the point you're keying on that we now have a significant contribution in our HBM revenue from a second customer is correct, right? So I want to make sure that doesn't get lost. Our HBM revenue is still mirrors pretty well our end customers' HBM market share in the end market. Dominated by one, a second customer coming up and taking more share and producing more volume.
And the third one, we expect -- we're qualified and competing at all 3 of these. But our share, again, our contributions reflect their shares in the end market. But we've now added a significant second component to our HBM revenue in both HBM3 and HBM4. So it's still a mix. But we really expect HBM4 to ramp in significant volume as we go through the middle part of 2025.

David Duley

Okay. And then I was curious, when you talk about qualifying new customers, I'm assuming one of those is the CPU customer that you don't have. And then I think you've probably got qualifications or business in hand with the hyperscalers? Could you elaborate a little bit more on what's going on with the hyperscalers?

Michael Slessor

Yeah. So this is an interesting new business. These are generally these custom Asics that the hyperscalers are developing in house, sometimes with a design partner, sometimes directly with the foundry. And, and we've got good engagement there. A couple of projects that we're shipping the initial designs for here in the first quarter. But that's also a business that we expect to strengthen as we go through the year and kind of a new component of the overall probe card business.
We used to just either deliver to the ID MS or the foundries. Here's a case where the hyperscaler are taking these new chip designs, mostly custom Asics for A I applications and starting to develop that silicon themselves. And so a new growth area for us, one that I wouldn't say is going to materially affect us in the first half. But we're we're laying the groundwork to make sure as those new designs ramp as we go through 2025 that we're in a strong incumbent position to capitalize on these on these new opportunities.

David Duley

Okay? And just to follow on to that I'm just kind of curious. As far as inside your family logic business, I'm sure that's where you find the networking piece. I think you have exposure to, you know, the Avago food chain there and perhaps the NVIDIA food chain. Could you just talk about what you're seeing in networking?

Michael Slessor

Yeah. Networking. We do have good exposure there. And that is an area where, with those customers has offered some pretty significant growth over the past several quarters. Part of it is due to their product strategies, for example, you see some of these customers selling things like GP us together with the networking components.
And so the system level view that our customers are taking kind of drags along the networking chips to some with some of the higher value GPUS. And that's caused those volumes to grow significantly and their product road maps to accelerate significantly as high performance computes go to this one year road map cadence. So the networking business, although it's, not at the volumes of something like HBM continues to be a strong and growing part of our overall, our overall foundry and logic business despite the weakness in areas like DC.

David Duley

Okay. So it kind of sounds like, you'll have a second half ramp in multiple different markets. And I guess I would assume that Q1 is going to be the bottom of revenue in this calendar year.

Michael Slessor

That that's certainly the way we currently see it. And if I point you back to 2024 we saw a very similar Q1, I'm not going to imprint seasonality on this. But, you know, there are often lumpiness in this business as things go through different product cycles and ramp cycles.
And I'd take you back to 12 months ago where we had a very similar, similar Q1 and grew significantly over that. Remember in 2024 we grew the top line 15% over 2023. I'm not suggesting that we're going to grow at 15% again. But all of these factors, whether it's HBM four PC recovery, some of the new customer qualifications we do expect to drive year over year, top line growth form factor.

Operator

(Operator Instructions) Krish Sankar from TD Cowen.

Krish Sankar

Hi, this is Robert Mertens online for Chris. Thanks for taking my questions. One just could you provide a bit more color on what you're seeing within the systems business? The last three quarters have done quite well with you know, sin photonics being highlighted, but I know there are a lot of other R&D driven portions of that business, whether it's looking carbide or, or quantum. But looking at the March outlook, could you just sort of partition how much maybe due to typical seasonality versus near term that my indigestion and then just further out in the year, if there are any sort of areas within within that business, that would be the most meaningful drivers to growth.

Michael Slessor

Yeah, so the system segment often does have this this seasonality again because of our customers annual budgeting process, often their fiscal years and calendar years align. One of the things that's really got us excited in the system segment is the transition of silicon photonics and co package optics to pilot production.
This is in an area where we've been engaged in the lab with leading customers for a long time and have an installed base of over 100 systems and we're leveraging that knowhow and those customer relationships to work with partners like Advantest to drive this to high volume production. We expect that to start to happen in the second half of 2025.
We're working very actively with customers with found right now on making sure we're ready for that ramp. I think if you interpolate our customers' road maps, it's probably really a 2026 volume event, but we definitely see some growth there. I think the other one to highlight is quantum, right? It it's probably again, not a 2025 event, but we're trying to build a leadership position in test and measurement for the quantum computing industry. It's in an investment phase right now for us and for the overall industry and we are seeing some interesting opportunities and growth prospects there. The overall systems, business growth is going to be driven by those factors.
But also our customers continued investment in innovation in R&D in things like high power in things like new silicon nodes. It's a very broad based business, but I think probably the most exciting tangible growth opportunity in 2025 and into 2026 is co package optics and silicon photonics.

Krish Sankar

Right? That that's very helpful and then maybe just if I can sneak one more and I know we've gone over the high bandwidth memory quite a bit. But it looks like maybe the D AM probe cards could benefit in the second half margin wise with new nonhigh with memory probe cards being introduced. But have you ever given out a breakdown sort of between what the margins of high bandwidth memory are versus more the traditional DDR designs?

Shai Shahar

I will take this one. We didn't specify the differences between HBM gross margins and other DRAM gross margins. But we did say that HBM revenue because the cards are differentiated because our technology there is unique is -- has higher margins within the DRAM gross margin family. Not all the way up to the foundry and logic gross margin, although it could be similar or equal to some low-end foundry and logic design gross margin.

Krish Sankar

Okay. Got it. Thank you. That's helpful. That's all for me.

Operator

Thank you. And our next question comes from the line of Thomas Diffely from D.A Davidson. Your question, please.

Thomas Diffely

Yeah, good afternoon. Thank you for the questions. Shai just following up on that previous question, if you see Foundry logic and maybe microprocessors being a smaller percentage of the business going forward. How impactful would that be to your kind of corporate gross margin going forward?

Shai Shahar

So it's a good reminder that we are committed to our target model. Our target model is 47% gross margin at $850 million of revenue. But we are currently delivering revenues with a very different mix than when we put our target model in place. Now there are a few things that we are working on to improve that together with a few things that really needs to happen in the industry for us to achieve the target model gross margin.
We are developing, as Mike mentioned in the prepared remarks, a lower-cost DRAM architecture that can improve the DRAM gross margin, bring it closer to the foundry and logic margin. We're also targeting a higher market share in the higher-margin foundry and logic market. And we also have a few internal initiatives to improve margins all targeting improving the margins across the different products. But an important part is we need the overall end markets to recover since we need the higher volume to achieve our target model.

Thomas Diffely

Okay. That seems to make sense. And switching gears here, Mike, when you look at the acquisition, FICT, is the main thrust there just to keep an uninterrupted supply or maybe exclusivity of what you're currently getting? Or is it really to kind of mold or bend the work going forward to what you really need to have to happen?

Michael Slessor

It's much more the latter. If we wanted exclusivity and vertical integration, we would have bought the whole thing. This is more about partnering to accelerate our product road map, FICT's product road map and as I said in response to one of the other questions, really make sure we're meeting the challenges associated with high-performance compute on the accelerating road map that high-performance compute is on.
So the company is going to operate independently. We'll obviously have a seat at the table with a 20% ownership stake. But our goal is to grow that business and better align their future product road map with ours to produce more competitive products for FormFactor.

Thomas Diffely

And so when you look at the design cycles for those type of products, if you get involved today, is that for products that are one, two years out then?

Michael Slessor

Yeah, I mean, there's, there's two design cycles nested inside each other. There's if you like an architectural design cycle where we're meeting maybe requirements for let's call it one nanometer logic. But inside that, there's a whole bunch of multiple designs that need to be customized. And the integration between F IC TS products and our products is a much higher frequency design cycle. So 1 to 2 years for that one nanometer transition if you like but much tighter cycles for collaborating on the individual customer design. So we should be able to exert some impact on this as we go through 2025.
Great. Thank you.

Thomas Diffely

For your time.

Operator

Christian Schwab from Craig-Hallum.

Christian Schwab

Hey guys that I had a question on high bandwidth memory. There's varying third-party research on growth rate, but the one, I guess, I'm looking at 26%. Given increased capital intensity on HBM4, if that 26% is accurate, is it safe to assume that high bandwidth memory should grow even faster than that in '25 over '24?

Michael Slessor

Yeah, Christian, I think that's a fair assumption, right? When you look at the dynamics of moving from HBM3 to HBM4, more layers, and that means higher test intensity. We've already seen that in the move from HBM2 to HBM3 to HBM3E. And you can see that we added over $100 million in revenue associated with HBM in 2024. So a good proof point there.
I think the other piece that goes into it is complexity, and complexity in moving from HBM3 to HBM4 really is higher test speeds, higher chip clock rates, which are a more complex probe card and a more valuable probe card. So we do expect that we're going to be able to outgrow the overall HBM industry when it's in this phase of ramping quickly with high complexity and the need for our customers to push parts of the door.

Christian Schwab

Great. No other questions. Thank you.

Operator

(Operator Instructions) I'd like to hand the program back to Mike session for any further remarks.

Michael Slessor

All right. Thanks everybody for joining us today. We'll talk to you soon.

Operator

Thank you, ladies and gentlemen, for your participation in today's conference. This does conclude the program. You may now disconnect. Good day.